(19)

(11)

EP 0 935 568 A1

(12)

(43) Date of publication: 18.08.1999 Bulletin 1999/33 (21) Application number: 97912924.0 (22) Date of filing: 24.10.1997

(51) International Patent Classification (IPC):  B65D 71/ 00( . ) B65D 71/ 58( . ) B65D 71/ 36( . ) (86) International application number: PCT/US1997/019333 (87) International publication number: WO 1998/019932 (14.05.1998 Gazette 1998/19)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE Designated Extension States: RO (30) Priority: 01.11.1996 GB 19960022760 (71) Applicant: THE MEAD CORPORATION Dayton Ohio 45463 (US)	(72) Inventor: LE BRAS, Philippe F-36000 Chateauroux (FR) (74) Representative: Hepworth, John Malcolm, et al  Hepworth Lawrence Bryer & Bizley Bloxam Court Corporation Street Rugby, Warwickshire CV21 2DU Rugby, Warwickshire CV21 2DU (GB)